vision: update samples to address changes in model annotations. [(#19…

…91)](GoogleCloudPlatform/python-docs-samples#1991)

changes to the vision model evaluation changed annotations for
some of the sample data used in these tests.  This corrects those
expectations to reflect current evaluation.

Background: internal issue 123358697

samples/snippets/detect/detect_test.py

@@ -100,21 +100,21 @@ def test_logos(capsys):
         'resources/logos.png')
     detect.detect_logos(file_name)
     out, _ = capsys.readouterr()
-    assert 'Google' in out
+    assert 'google' in out
 
 
 def test_logos_uri(capsys):
     file_name = 'gs://{}/vision/logos.png'.format(BUCKET)
     detect.detect_logos_uri(file_name)
     out, _ = capsys.readouterr()
-    assert 'Google' in out
+    assert 'google' in out
 
 
 def test_logos_http(capsys):
     uri = 'https://storage-download.googleapis.com/{}/vision/logos.png'
     detect.detect_logos_uri(uri.format(BUCKET))
     out, _ = capsys.readouterr()
-    assert 'Google' in out
+    assert 'google' in out
 
 
 def test_safe_search(capsys):
@@ -196,23 +196,20 @@ def test_detect_web(capsys):
         'resources/landmark.jpg')
     detect.detect_web(file_name)
     out, _ = capsys.readouterr()
-    assert 'Description: Palace of Fine Arts Theatre' in out
     assert 'Best guess label: palace of fine arts' in out
 
 
 def test_detect_web_uri(capsys):
     file_name = 'gs://{}/vision/landmark.jpg'.format(BUCKET)
     detect.detect_web_uri(file_name)
     out, _ = capsys.readouterr()
-    assert 'Description: Palace of Fine Arts Theatre' in out
     assert 'Best guess label: palace of fine arts' in out
 
 
 def test_detect_web_http(capsys):
     uri = 'https://storage-download.googleapis.com/{}/vision/landmark.jpg'
     detect.detect_web_uri(uri.format(BUCKET))
     out, _ = capsys.readouterr()
-    assert 'Description: Palace of Fine Arts Theatre' in out
     assert 'Best guess label: palace of fine arts' in out